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ALLISON IZSAK MD
NPI 1770225583
Hospitalist in Newark, NJ

Active since April 12, 2022PECOS EnrolledAccepts Medicare Assignment
150 BERGEN ST, NEWARK, NJ 07103(973) 972-6056 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Allison Izsak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON IZSAK MD (NPI 1770225583) is an individual hospitalist provider in Newark, New Jersey, licensed in New Jersey (25MA12577000) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with The University Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2022).

NPPES Registry Identity

NPI1770225583
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameALLISON IZSAKCredential: MD
Location Address150 BERGEN STNewark, NJ 07103-2496
Mailing Address150 Bergen StNewark, NJ 07103-2496
Phone(973) 972-6056
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2022
Enumeration DateApril 12, 2022
Last NPPES UpdateJuly 16, 2025
NPPES CertifiedJuly 16, 2025
✔ NPI 1770225583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NJ · 25MA12577000
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
150 BERGEN ST, Newark, NJ 07103
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Allison Izsak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658865696
PECOS Enrollment IDI20251208003873
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Allison Izsak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Physician Associates Of New Jersey Inc
Same address
Internal Medicine
140 BERGEN ST
Newark, NJ 07103
  • Reassigned Medicare billing, New Jersey enrollment
  • 173 clinicians in this Medicare group
NPI 1760492367 (973) 972-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Hospital

Acute Care Hospitals · Newark, NJ
1/5 CMS rating
OwnershipGovernment - State
CMS Certification Number310119
Location150 Bergen StNewark, NJ 07103 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. ARIEL LIPPA, LPC, LCADC, NCC.
Counselor (Professional)
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
GABRIEL HANNA
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (201) 397-5249
ADRIANA NOEMI GONZALEZ MD
Emergency Medicine
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
DR. SAFIA ANSARI DO
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
MERRY ZHAI MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
HEATHER WANG
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
KOPAL BANSAL MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300
ADRIENNE-VYOLET BALK MD
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Essex County (973) 972-4300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison Izsak's NPI number?

The NPI number for Allison Izsak is 1770225583. It was assigned to this individual provider in the NPPES registry on April 12, 2022.

Where is Allison Izsak located?

Allison Izsak practices at 150 Bergen St, Newark, NJ 07103. The listed phone number is (973) 972-6056.

What is Allison Izsak's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Allison Izsak enrolled in Medicare?

Yes. Allison Izsak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Allison Izsak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Izsak reassigns Medicare benefits to University Physician Associates Of New Jersey Inc (Newark, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allison Izsak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Izsak accept?

Health plans from Oscar Health list Allison Izsak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Allison Izsak affiliated with any hospitals?

According to CMS data, Allison Izsak is affiliated with The University Hospital.

When was this NPI record last updated?

The NPPES record for Allison Izsak was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.